Caster-wheel.



No. 774,424. PATENTED NOV. 8, 1904. W. A. HENDERSON. CASTER WHEEL.

APPLIGATION FILED NOV. 6, 1903.

N0 MODEL.

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5M9. m Q M UNITED STATES Patented November 8, 1904.

WILLIAM A. HENDERSON, OF DETROIT, MICHIGAN.

CASTER-WHEEL.

SPECIFICATION forming part of Letters Patent No 774,424, dated November,8, 1904.

Application filed November 6,1903 Serial No. 180,041. (No model) 'lo allw/wm it 'ntcty concern.-

Be it known that I, IVILLIAM A.' HENDER- soN, a citizen of the UnitedStates, residing at Detroit, in the county of Wayne, State of Michigan,have invented certain new and useful Improvements in Caster-Wheels; andI do declare the following to be a full, clear, and exact description ofthe invention, such as will enable others skilled in the art to which itappertains to make and use the same, reference being had to theaccompanying drawings, and to the figures of reference marked thereon,which form a part of this specification.

This invention relates to a caster-wheel; and it consists in theconstruction and arrangement of parts hereinafter fully set forth, andpointed out particularly in the claim.

The object of the invention is to provide a caster-wheel of two parts soshaped as to fit one within the other and form astrong wheel from steelstam pings having a'tread free from seams or projections.

The above object is attained by the structure illustrated in theaccompanying drawings, in which v Figure 1 is a diamctrical sectionthrough the wheel and a longitudinal section through the axle. Fig. 2 isan elevation of the wheel, a portion of the rim being broken away. Fig.3 is a blank from which one side of the wheel is formed. Fig. 4 is acircumferential section as on line 4 4 of Fig. 1. Fig. 5 is afragmentary View in perspective of a portion of the rim of the wheel.

Referring to the characters of reference, 1 designates the disk formingthe web of one side of the wheel, which is so stamped or shaped as toform the protruding hub portion 2, having the horizontal bearing-face 3surrounding the axle-opening 9 and which at the perimeter is providedwith a rolled annular bead 4. The peripheral portion 5 of the disk isintegral with the web and is provided with a rolled edge 6. The oppositeside of the wheel is formed by the disk 7, which is stamped in likemanner to produce the protruding hub 8, having the bearing-face 10around the axle-opening and the annular bead 11, which embraces therolled margins 6 of the peripheral portion of the opposite disk. Theperipheral portion 12 of the disk 7 cmbraces the-corresponding portionof disk 1, and its marginal edge is rolled, as at 13, to embrace thebead 4 of saidfirst-mentioned disk, thereby forming the tread of thecaster of double thickness, composed of the interlocking members lyingone upon the other, while the web of the caster is composed of opposedwalls standing approximately parallel, producing a caster adapted tostand great lateral strain. By this peculiar structure a caster isformed of two pieces which are so united as to present the appearance ofa solid wheel whose periphery is free from seams or ridges likely toinjure the surface upon which the wheel is standing.

The turning of the roll on the margin of the disk 7, which embraces thebead 4 of the disk 1, is accomplished after the parts have been placedtogether, whereby the wheel when finished is caused to present a solidappearance and the parts thereof are firmly united.

By forming the bearing-flanges 3 and 10 around the axle-opening 9 a firmsupport is provided for the axle 14.

Having thus fully set forth my invention, What I claim as new, anddesire to secure by Letters Patent, is

A wheel composed of two opposed disks having integral peripheralportions which lie contiguous, the peripheral portion of one disk

